the word “Roller”
is used to describe; a heavy machine used in road
construction, a device used by people (mostly females)
to put curls in their hair, a cylindrical part of a machine
bearing, a type of writing instrument and a particular car.
Here is a photo of two “Rollers” in front of the Peninsula
Hotel, Hong Kong. The Peninsula bought a fleet (14) of
these long-wheelbase, Rolls-Royce, Phantoms in 2006.

Info at; http://www.autoblog.com/2006/12/14/largest-order-ever-of-rolls-royce-phantoms-delivered/